package com.feng.springcloud.controller;

import com.feng.springcloud.entities.CommonResult;
import com.feng.springcloud.entities.Payment;
import com.feng.springcloud.service.PaymentService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import java.util.List;
import java.util.concurrent.TimeUnit;

@RestController
@Slf4j
public class PaymentController {
    //这里可使用Autowired注解方式注入
//    @Autowired
    @Resource
    private PaymentService paymentService;

    @Value("${server.port}")
    private String serverPort;

    @Resource
    private DiscoveryClient discoveryClient;

    //http://localhost:8001/payment/create?serial=today
    //2021-12-21 21:33:16.654  WARN 10252 --- [nio-8001-exec-5] .w.s.m.s.DefaultHandlerExceptionResolver :
    // Resolved [org.springframework.web.HttpRequestMethodNotSupportedException: Request method 'GET' not supported]
    @PostMapping("/payment/create")
    public CommonResult create(@RequestBody Payment payment){
        int result = paymentService.create(payment);
        log.info("-----------插入结果是： " + result);

        if (result > 0){
            return new CommonResult(200,"插入数据成功,serverPort: "+serverPort,result);
        }else {
            return new CommonResult(444,"插入数据失败",null);
        }
    }

    //http://localhost:8001/payment/get/1
    @GetMapping("/payment/get/{id}")
    public CommonResult getPaymentById(@PathVariable("id")Long id){
        Payment payment = paymentService.getPaymentById(id);
        log.info("-----------查询结果是： "+ payment);

        if (payment !=null){
            return new CommonResult(200,"查询数据成功,serverPort: "+serverPort,payment);
        }else {
            return new CommonResult(444,"查询数据不存在，查询ID是："+id,null);
        }
    }

    @GetMapping("/payment/discovery")
    public Object discovery(){
        List<String> services = discoveryClient.getServices();
        for (String service : services) {
            log.info("-----------service: "+service);
        }

        /**
         * 小写时可打印instances信息
         * 2021-12-22 21:18:41.788  INFO 2988 --- [nio-8001-exec-1] c.f.s.controller.PaymentController       : -----------service: cloud-payment-service
         * 2021-12-22 21:18:41.788  INFO 2988 --- [nio-8001-exec-1] c.f.s.controller.PaymentController       : -----------service: cloud-order-service
         * 2021-12-22 21:18:41.788  INFO 2988 --- [nio-8001-exec-1] c.f.s.controller.PaymentController       : CLOUD-PAYMENT-SERVICE	192.168.136.1	8002	http://192.168.136.1:8002
         */
        List<ServiceInstance> instances = discoveryClient.getInstances("cloud-payment-service");
        /**
         * 大写时，只是打印service信息
         * 2021-12-22 21:18:41.788  INFO 2988 --- [nio-8001-exec-1] c.f.s.controller.PaymentController       : -----------service: cloud-payment-service
         * 2021-12-22 21:18:41.788  INFO 2988 --- [nio-8001-exec-1] c.f.s.controller.PaymentController       : -----------service: cloud-order-service
         */
//        List<ServiceInstance> instances = discoveryClient.getInstances("CLOUD-PROVIDER-SERVICE");
        for (ServiceInstance instance : instances) {
            log.info(instance.getServiceId()+"\t"+instance.getHost()+"\t"+instance.getPort()+"\t"+instance.getUri());
        }

        return this.discoveryClient;
    }

    @GetMapping(value = "/payment/feign/timeout")
    public String PaymentFeignTimeout(){
        try{
            TimeUnit.SECONDS.sleep(3);
        }catch (InterruptedException e){
            e.printStackTrace();
        }
        return serverPort;
    }

    @GetMapping("/payment/zipkin")
    public String paymentZipkin(){
        return "hi, I'am paymentZipkin server fall back, welcome to feng cloud learning!";
    }
}
